CN205816758U - Multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device - Google Patents
Multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device Download PDFInfo
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Abstract
The utility model discloses a kind of multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device, including inner arc magnetic stirrer and outer arc magnetic stirrer, be abbreviated as L EMS and F EMS respectively, be separately positioned on copper plate of crystallizer inner arc and outer arc；L EMS and F EMS is provided with upper and lower two induction apparatuss, and each induction apparatus is provided with four magnetic induction districts；Each magnetic induction district is individually controlled by PLC, and PLC is by being connected with the coil in this magnetic induction district, it is achieved the control to size, direction and the phase sequence of coil current, to change Movement in Magnetic Field direction and polarity of the magnetic field, thus changes the molten steel direction of motion；By changing Movement in Magnetic Field direction and the polarity of the magnetic field in each magnetic induction district, it is combined into multiple MOLTEN STEEL FLOW pattern.This utility model is by the regulation and control of the design of interior outer arc side dual inductor with different stir modes, it is achieved strand internal magnetic field and the three-dimensional regulation of flow location form, can solve cc billet surface quality problem, can solve again Inner Quality of Billet problem.
Description
Technical field
This utility model belongs to a kind of motlten metal continuous casting crystallizer for plate billet electromagnetism flow control device, is specifically related to merit more than
Can multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device.
Background technology
Along with the development of continuous casting technology, the raising of continuous casting ratio, high production rate and high-quality strand have become current slab even
The target that casting technology is pursued.The high production rate of conticaster and the realization of high-quality strand, wherein most critical and most important technology
It is to realize molten steel in mold flowing is controlled.Conventional control technology is as optimized submersed nozzle shape and immersion depth and molten steel
Though level control advantageously improves the MOLTEN STEEL FLOW in crystallizer, but unsatisfactory.Utilize the non-contact control of electromagnetic force simultaneously
Technology has obtained researching and developing widely and practical, and the most representative has mould electromagnetic brake skill based on D.C. magnetic field
Art (EMBr)；M-EMS technology (M-EMS) based on travelling-magnetic-field, and multi-mode crystallizer based on this
Electromagnetic agitating technology (MM-EMS).
Three of the above electromagnetism flow control technology has application in plate slab crystallizer, and is respectively arranged with technical characterstic and advantage.EMBr
Installation site at the stream stock main flow that submersed nozzle side opening spues, its flow location form be mainly by Constant Direct Current magnetic field system
The dynamic stream stock spued from submersed nozzle side opening so that it is slow down, belong to the flow control technology of a class passive type.EMBr mainly applies model
Enclose is sheet blank continuous casting, high casting speed continuous casting；Another kind of active flow control technology has: M-EMS and MM-EMS.The installation of M-EMS
Position is between the molten steel scope of freedom and mouth of a river side opening, and the flow location form produced by travelling-magnetic-field effect is to accelerate molten steel to make
Its horizontal revolving motion.M-EMS is primarily adapted for use in cut deal, low casting speed continuous casting；And the installation site of MM-EMS is crystallizer half
Eminence, its flow location form can make molten steel make to accelerate, slow down or horizontal revolving motion.MM-EMS is mainly applicable to cut deal
Base, high casting speed continuous casting.Therefore, different electromagnetism flow control technology, according to the difference of its stir mode, the difference of installation site,
The conticaster being suitable for and steel grade are the most different.
But above-mentioned electromagnetism flow control method and electromagnetic mixing apparatus, its stir mode and flow location form are all only limitted to one
Planting or most three kinds, steel grade and the processing range of adaptation are limited.Metallurgical effect is confined to improve the surface of strand and subcutaneous matter
Amount, it is impossible to image space round mold electromagnetic agitation produces the rotary motion goed deep within molten steel like that, improves Inner Quality of Billet.
Though to obtaining certain application effect under the conditions of specific steel grade and continuous casting process, but needing to produce difference on same conticaster
Steel grade, the strand of different size, the technological parameter of continuous casting there is also certain difference, and therefore M-EMS technique also will be with
Be adjusted correspondingly.For crystallizer flow field, need to be adjusted correspondingly according to steel grade, section and continuous casting process.
Chinese patent CN200910302486.3 propose one can realize single rotation, electromagnetic deceleration, electromagnetism accelerate, two districts rotate and
4th district rotate the induction apparatus of these five kinds of stir modes, and these patterns can only change level in the Distribution of Magnetic Field in cross section and strand
Flow Field Distribution, longitudinally then cannot regulate.Chinese patent CN201410120140.2 proposes a kind of multidimensional electromagnetism modulation dress
Putting, use the version of monolateral three set coils, this method can realize 3 D electromagnetic stirring, but version is the most complicated,
And bulky, inapplicable existing continuous cast mold vibration platen and the transformation of crystallizer, practicality is the strongest.
Therefore, it is necessary to design a kind of new multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device.
Utility model content
This utility model is solved the technical problem that to be, for shortcoming and problem present in background technology, it is provided that a kind of
Multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device, by design and the tune of different stir mode of dual inductor
Control, it is achieved strand internal magnetic field and the three-dimensional regulation of flow location form and control, can solve cc billet surface quality problem, can solve again
Inner Quality of Billet problem.
This utility model be the technical scheme is that
A kind of multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device, is divided into inner arc magnetic stirrer 1 and outer arc
Magnetic stirrer 2, is abbreviated as L EMS1 and F EMS2 respectively；L EMS1 and F EMS2 is separately positioned on copper plate of crystallizer 5
Inner arc and outer arc；Molten steel 4 passes through in the middle of copper plate of crystallizer 5；
L EMS1 and F EMS2 is provided with upper and lower two induction apparatuss, and the top and bottom induction apparatus of L EMS1 is respectively
It is labeled as L16、L2The top and bottom induction apparatus of 7, F EMS2 is respectively labeled as F18、F29；L EMS1 and F EMS2 simultaneously
Each induction apparatus be provided with four magnetic induction districts；Each magnetic induction district magnetic field amount size, direction all can independent regulation and
Change.
Two induction apparatuss up and down of L-EMS and F-EMS are that upper and lower disjunctor is arranged, and form the version of an induction apparatus；
Or the most setting up and down, form the version of two induction apparatuss.But the induction apparatus of L-EMS and F-EMS must use in pairs.
Described induction apparatus includes iron core 10 and coil 11；Different according to core structure, induction apparatus has two kinds of forms, the most rectangular
Shape induction apparatus and salient pole shape induction apparatus；
The iron core 10 of described rectangle induction apparatus is built up by the rectangle electrical steel sheet of multiple slotless；Coil 11 is adopted
It is wound on rectangle iron core with Gramer's winding configuration；
The iron core 10 of described salient pole shape induction apparatus is built up by the rectangle electrical steel sheet of multiple band salient poles；Coil 11 is tied
Structure includes two kinds of forms, i.e. uses Gramer's winding configuration to be wound in the yoke between two salient poles of iron core, or use concentrate around
Group form is wound on the salient pole of iron core.
Described multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device, also includes " the door being enclosed within outside induction apparatus
Font " Magnet clamp (12), Magnet clamp (12) is made up of the copper plate of high conductivity, and high conductivity refers to conductivity σ ＞ 5.8
×107The opening of S/m " door font " Magnet clamp (12) is towards the work surface of iron core；The effect of Magnet clamp (12) is to improve work
Make the main flux in face and reduce the leakage field of non-working surface；
Upper end induction apparatus L16 and F1The iron core upper limb of 8 maintains an equal level with meniscus, mainly solves the quality problems on continuous casting billet surface；
And lower end induction apparatus L27 and F2The iron core upper limb distance meniscus 250-350mm of 9, mainly solves continuous casting billet internal soundness.
The structure in the magnetic induction district of described multi-functional multi-mode EMS device: with a pair sensing of L-EMS and F-EMS
Device [a pair induction apparatus L of upper end16 and F18 or a pair induction apparatus L of lower end26、F29], each induction apparatus includes that 12 coils are
Example, by exciting travelling-magnetic-field rule to build four magnetic induction districts, each magnetic induction district includes 3 coils, four magnetic of L-EMS1
Induction zone is designated as magnetic induction one district 101, magnetic induction two district 102, magnetic induction three district 103, magnetic induction four district the most successively
Magnetic induction district of four, the magnetic induction district of 104, F-EMS2 be designated as the most successively magnetic induction one district 201, magnetic induction two district 202,
Magnetic induction three district 203, magnetic induction four district 204；Position, the mouth of a river is corresponding between magnetic induction two district and 3rd district；
Each magnetic induction district is individually controlled by PLC, and PLC is by being connected with the coil in this magnetic induction district, it is achieved right
The size of coil current, direction, the control of phase sequence, to change Movement in Magnetic Field direction 13 and polarity of the magnetic field, thus change molten steel fortune
Dynamic direction 14；By changing Movement in Magnetic Field direction and the polarity of the magnetic field in each magnetic induction district, it is combined into multiple MOLTEN STEEL FLOW pattern,
The most only lift than more typical 8 bottom horizontal flow sheet patterns illustratively: single rotary mode, double dish pattern, electromagnetism add fast mode,
Electromagnetic deceleration pattern, four dish deceleration modes, four dish add fast mode, two district's rotary modes, electromagnetic braking pattern.By upper end induction apparatus
L16、F18 kinds of patterns of 8 and lower end induction apparatus L26、F28 kinds of pattern combination of two of 9, can be combined out:Plant stirring
Pattern.
Under described single rotary mode, L-EMS with F-EMS is: Movement in Magnetic Field direction 13, four magnetic induction districts is consistent；But
The Movement in Magnetic Field of L-EMS with F-EMS is in opposite direction.Owing to the molten steel direction of motion 14 is consistent with Movement in Magnetic Field direction 13, so energy
The molten steel in crystallizer is enough made to do single rotary motion, it is achieved single Rotative Stirring mode.
Described single rotary mode, L-EMS with F-EMS is contrary relative to the polarity of the magnetic field of position, i.e. L-EMS occurs at N pole,
Corresponding F-EMS position is S pole, makes the magnetic line of force penetrate molten steel, from N pole to S pole, it is thus possible to make electromagnetic force deeply to molten steel core
Portion.
The winding wiring mode of described single rotary mode is: L-EMS and F-EMS is: the coil in magnetic induction one, three district
The sense of current is contrary with the direction of the winding current in magnetic induction two, four district；And the magnetic induction district coil that L-EMS with F-EMS is corresponding
The sense of current is contrary, and e.g., magnetic induction one district 101 of L-EMS and three district 103 wiring are U, V, W；Two district 102 and four district 104 wiring
For-U ,-V ,-W；And magnetic induction one district 201 of F-EMS and three district 203 wiring are-W ,-V ,-U；Two district 202 and four district 204 wiring
For W, V, U.
Under described pair of dish pattern, L-EMS with F-EMS is: Movement in Magnetic Field direction 13, four induction areas is consistent, and L-
The Movement in Magnetic Field direction of EMS with F-EMS is identical.Owing to the molten steel direction of motion 14 is consistent with Movement in Magnetic Field direction 13, and fluid steel
The continuity of liquid movement, it is possible to make molten steel form upper and lower two circulation at crystallizer cross section.This pattern can deep enough stirring steel
Inside water, it is achieved double dish stir modes of molten steel.
Described pair of dish pattern, L-EMS with F-EMS is identical relative to the polarity of the magnetic field of position, i.e. L-EMS occurs at N pole, corresponding
F-EMS position be N pole, make the magnetic line of force not penetrate through molten steel, but stir adjacent S pole, electromagnetic stirring force from N pole to same electricity
Only act on to molten steel surface.
The winding wiring mode of described pair of dish pattern is: L-EMS and F-EMS is: the coil current in magnetic induction one, three district
Direction is contrary with the direction of the winding current in magnetic induction two, four district, and the magnetic induction district coil current that L-EMS with F-EMS is corresponding
Direction is identical, and e.g., electromagnetic induction one district 101 of L-EMS and three district 103 wiring are U, V, W；Two district 102 and four district 104 wiring
For-U ,-V ,-W；And electromagnetic induction one district 201 of F-EMS and three district 203 wiring are W, V, U；Two district 202 and four district 204 wiring
For-W ,-V ,-U.
Described electromagnetism adds under fast mode, L-EMS and F-EMS is: magnetic induction one, two district and magnetic induction three, four magnetic field, district
The direction of motion 13 is contrary；And L-EMS with F-EMS is identical relative to the Movement in Magnetic Field direction in the magnetic induction district of position.I.e. L-EMS and F-
Magnetic induction one district 101 of EMS and the Movement in Magnetic Field direction in 201, two districts 102 and 202 are towards a left side, and the magnetic induction of L-EMS and F-EMS
The Movement in Magnetic Field direction in three districts 103 and 203, four districts 104 and 204 is towards the right side.Spue in this pattern molten steel direction of motion 14 and the mouth of a river 3
Molten steel 4 to flow the stock direction of motion consistent, thus play the effect accelerating molten steel motion, it is achieved accelerate stir mode.
Described electromagnetism adds fast mode, L-EMS with F-EMS is contrary relative to the polarity of the magnetic field of position, i.e. L-EMS occurs at N pole,
Corresponding F-EMS position is S pole, makes the magnetic line of force penetrate molten steel, from N pole to S pole, it is thus possible to make electromagnetic force deeply to molten steel core
Portion.
Described electromagnetism adds the winding wiring mode of fast mode: L-EMS and F-EMS is: the coil in magnetic induction one, two district
In phase sequence, any biphase exchange is just for the coil phase sequence in magnetic induction four, three district, and this pattern L-EMS and F-EMS are relative to the magnetic of position
Induction zone the direction of the winding current is contrary, and e.g., the district 102 of electromagnetic induction one district 101, two of L-EMS links up the wiring side of 6 coils
Formula is: V, V, U, U, W, W, and the mode of connection that its district 104 of 3rd district 103, four links up 6 coils is: W, W, U, U, V, V；F-EMS
District of electromagnetic induction one district 201, two 202 be :-V ,-V ,-U ,-U ,-W ,-W, three districts 204 of district 203, four are :-W ,-W ,-U ,-U ,-
V、-V。
Under described electromagnetic deceleration pattern, L-EMS and F-EMS is: magnetic induction one, two district and magnetic induction three, four magnetic field, district
The direction of motion 13 is contrary, and L-EMS with F-EMS is identical relative to the Movement in Magnetic Field direction in the magnetic field induction district of position.I.e. L-EMS and
Magnetic induction one district 101 of F-EMS and the Movement in Magnetic Field direction in 201, two districts 102 and 202 are towards the right side, and the magnetic strength of L-EMS and F-EMS
The Movement in Magnetic Field direction in Ying Sanqu 103 and 203, four districts 104 and 204 is towards a left side.This pattern molten steel direction of motion 14 is told in the mouth of a river 3
The molten steel 4 gone out flows the stock direction of motion on the contrary, plays the effect of deceleration molten steel motion, it is achieved deceleration stir mode.
Described electromagnetic deceleration pattern, L-EMS with F-EMS is contrary relative to the polarity of the magnetic field of position, i.e. L-EMS occurs at N pole,
Corresponding F-EMS position is S pole, makes the magnetic line of force penetrate molten steel, from N pole to S pole, it is thus possible to make electromagnetic force deeply to molten steel core
Portion.
The winding wiring mode of described electromagnetic deceleration pattern is: L-EMS and F-EMS is: the coil in magnetic induction one, two district
In phase sequence, any biphase exchange is just for the coil phase sequence in magnetic induction four, three district, L-EMS with F-EMS is relative to the magnetic induction district of position
The sense of current of winding wiring is contrary, and e.g., the district 102 of electromagnetic induction one district 101, two of L-EMS links up the wiring side of 6 coils
Formula is: U, U, V, V, W, W, and the mode of connection that its district 104 of 3rd district 103, four links up 6 coils is: W, W, V, V, U, U；F-EMS
District of electromagnetic induction one district 201, two 202 be :-U ,-U ,-V ,-V ,-W ,-W, three districts 204 of district 203, four are :-W ,-W ,-V ,-V ,-
U、-U。
Under described four dish deceleration modes, L-EMS and F-EMS is: magnetic induction one, two district and magnetic induction three, four magnetic field, district
The direction of motion 13 is contrary, L-EMS with F-EMS is identical relative to the Movement in Magnetic Field direction, magnetic field induction district of position.I.e. L-EMS and F-
Magnetic field induction one district 101 of EMS and the Movement in Magnetic Field direction in 201, two districts 102 and 202 are towards the right side, and the magnetic field of L-EMS Yu F-EMS
Sense the Movement in Magnetic Field direction in three districts 103 and 203, four districts 104 and 204 towards a left side.In this pattern molten steel direction of motion 14 and the mouth of a river 3
The molten steel 4 spued flows the stock direction of motion on the contrary, plays the effect of deceleration molten steel motion, it is achieved the pattern of double stirring of slowing down.
Described four dish deceleration modes, L-EMS with F-EMS is identical relative to the polarity of the magnetic field of position, i.e. L-EMS occurs at N pole,
Corresponding F-EMS position is N pole, makes the magnetic line of force not penetrate through molten steel, but from N pole to the S pole that same magnetic stirrer is adjacent,
Due to the continuity of molten steel motion, molten steel movement locus forms the circulating-area of four.
The winding wiring mode of described four dish deceleration modes is: L-EMS and F-EMS is: magnetic induction one district and 2nd district
The sense of current is contrary, any biphase coil phase sequence being changed to magnetic induction four, three district mutually, and L-EMS with F-EMS is relative to the magnetic of position
The mode of induction zone winding wiring is identical, and e.g., electromagnetic induction one district 201 in electromagnetic induction one district 101 and F-EMS of L-EMS connects
Line is U, V, W, and its 2nd district 102 and 202 wiring is-U ,-V ,-W；L-EMS mono-district coil arbitrarily exchanges biphase phase sequence, is
Mode of connection W in four districts 104,204, V, U, L-EMS and F-EMS tri-district 103,203 winding wiring electric current and 4th district contrary be-
W、-V、-U；
Described four dish add under fast mode, L-EMS and F-EMS is: magnetic induction one, two district and three, four Movement in Magnetic Field sides of district
Contrary to 13, and L-EMS with F-EMS is identical relative to the Movement in Magnetic Field direction, magnetic field induction district of position.I.e. L-EMS's and F-EMS
The Movement in Magnetic Field direction in magnetic induction one district 101 and 201, two districts 102 and 202 is towards a left side, and magnetic induction three district of L-EMS Yu F-EMS
103 and 203, four the Movement in Magnetic Field direction in district 104 and 204 towards the right side.This pattern molten steel direction of motion 14 and the steel of discharge in the mouth of a river 3
It is identical that water 4 flows the stock direction of motion, plays the effect accelerating molten steel motion, it is achieved the pattern of stirring of accelerating to hold concurrently.
Described four dish add fast mode, L-EMS with F-EMS is identical relative to the polarity of the magnetic field of position, i.e. L-EMS occurs at N pole,
Corresponding F-EMS position is N pole, makes the magnetic line of force not penetrate through molten steel, but stirs adjacent S pole, due to steel from N pole to same electricity
The continuity of water sport, molten steel movement locus forms the circulating-area of four.
Described four dish add the winding wiring mode of fast mode: L-EMS and F-EMS is: any the two of magnetic induction one district
Exchange and convert the wiring that the sense of current is magnetic induction two district coil mutually, any biphase wiring being changed to four district's coils mutually in a district,
3rd district are contrary with the sense of current in 4th district.As, electromagnetic induction one district 101,201 wiring of L-EMS is U, W, V；Four districts 104,204
The mode of connection be: V, W, U, the sense of current of two district 102,202 coils and a district 101,201 contrary, its mode of connection
For :-U ,-W ,-V；The sense of current of three district 103,203 coils and 4th district contrary, its mode of connection is :-V ,-W ,-U；
Under described two district's rotary modes, L-EMS and F-EMS is: one, 2nd district and three, four Movement in Magnetic Field direction 13, district phases
Instead, L-EMS with F-EMS is in opposite direction relative to the magnetic induction district Movement in Magnetic Field of position.As, L-EMS magnetic induction one, two district 101,
The Movement in Magnetic Field direction in magnetic induction three, four district 203 and 204 of 102 and F-EMS is towards a left side, and magnetic induction three, four district of L-EMS
103, the Movement in Magnetic Field direction in magnetic induction one, two district 201 and 202 of 104 and F-EMS is towards the right side.
Described two district's rotary modes, L-EMS with F-EMS is contrary relative to the polarity of the magnetic field of position, i.e. L-EMS occurs at N pole,
Corresponding F-EMS position is S pole, makes the magnetic line of force penetrate molten steel, from N pole to S pole, it is thus possible to make electromagnetic force deeply to molten steel core
Portion.
The winding wiring mode of described two district's rotary modes is that the sense of current in magnetic induction one, two district of L-EMS is contrary, one
Any biphase wiring being changed to its 4th district mutually of district's coil, the sense of current of three district's coils and 4th district contrary.And the four of F-EMS
District is identical with the winding wiring mode in L-EMS mono-district, and a district of F-EMS is identical with the winding wiring mode in L-EMS tetra-district, F-
2nd district of EMS are identical with the winding wiring mode in L-EMS tri-district, the winding wiring mode phase in 3rd district of F-EMS and L-EMS bis-district
With.As, 4th district of F-EMS with the winding wiring mode in L-EMS mono-district are: U, W, V；One district of F-EMS and the line in L-EMS tetra-district
The circle mode of connection is: V, W, U；2nd district of F-EMS with the mode of connection in L-EMS tri-district are :-U ,-W ,-V；
Under described electromagnetic braking pattern, L-EMS and F-EMS is: magnetic induction one, two district and magnetic induction three, four magnetic field, district
The direction of motion 13 is contrary, L-EMS with F-EMS is in opposite direction relative to the magnetic field induction district Movement in Magnetic Field of position.As, L-EMS one,
The Movement in Magnetic Field direction in magnetic induction three, four district 203 and 204 in two districts 101,102 and F-EMS is towards a left side, and the three of L-EMS, four districts
103, the Movement in Magnetic Field direction in magnetic field induction one, two district 201 and 202 of 104 and F-EMS is towards the right side.
Described electromagnetic braking pattern, L-EMS with F-EMS is contrary relative to the polarity of the magnetic field of position, i.e. L-EMS occurs at N pole,
Corresponding F-EMS position is S pole, makes the magnetic line of force penetrate molten steel, from N pole to S pole, it is thus possible to make electromagnetic force deeply to molten steel core
Portion.
Described electromagnetic braking pattern uses DC current to power, and is direct current by rectification circuit by the AC rectification of input
Electricity realizes.Its winding wiring mode is as follows: district of district of magnetic induction one district 101, two 102, three 103, four district 104 wiring of L-EMS connects
Forward current；District of district of magnetic induction one district 201, two 202, three 203, four district 204 wiring of F-EMS connects reverse current.
Described integrated mode is by upper end induction apparatus L16、F18 kinds of patterns of 8 and lower end induction apparatus L26、F28 kinds of 9
Mode combinations, it may be assumed that single rotary mode, double dish pattern, add fast mode, deceleration mode, four dish deceleration modes, four dish accelerate moulds
Formula, two district's patterns, electromagnetic braking pattern combination of two use, and can be combined intoThe pattern of kind.Therefore, level is merged
The mode of electromagnetic stirring of one vertical circulation, it is achieved that the three-dimensional stirring in multi-mode flow field, this is of the present utility model one big feature.
This utility model has the advantage that and beneficial effect:
This utility model optimization design inner arc magnetic stirrer L16、L27 and outer arc magnetic stirrer F18、F2The configuration of 9 and
Its installation site on copper plate of crystallizer 5 so that it is in induction apparatus L16 and induction apparatus F1The iron core upper limb of 8 is held with meniscus
Flat, become meniscus magnetic stirrer, mainly solve cc billet surface quality problem.And L27 and F2The installation site of 9 is its iron core
Upper limb distance meniscus 250-350mm, for conventional crystallizer magnetic stirrer, mainly solves continuous casting billet internal soundness.Therefore, institute
State multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device and become meniscus magnetic stirrer and conventional crystallizer electricity
The assembly of magnetic stirrer, is provided simultaneously with two kinds of functions such as meniscus electromagnetic agitation and conventional crystallizer electromagnetic agitation.
Designed by upper and lower dual inductor, and every induction apparatus is built into four electromagnetism magnetic field induction districts, it is achieved molten steel
(4) independent regulation both horizontally and vertically, it is achieved thereby that strand internal magnetic field and the three-dimensional regulation of flow location form and
Control, greatly strengthen electromagnetic agitation function.
Multi-functional multimodal plate slab crystallizer electromagnetism flow control device of the present utility model is used can slab caster to be tied
The molten steel of brilliant device carries out multimodal 3 D electromagnetic stirring, and stir mode up to 64 kinds both can realize molten steel entirety electromagnetic agitation,
Also separated regions electromagnetic agitation, alr mode is flexible.At present, continuous casting is commonly used overall monocycle stream stir mode in producing,
Under the conditions of different continuous casting process, it is impossible to the magnetic field exciting magnetic stirrer carries out local and regulates and controls, it is also difficult to improve in strand
Nowed forming, it is clear that certain impact can be brought on producing high-quality strand.Use multi-mode sheet billet continuous casting of the present utility model
Crystallizer electromagnetism flow control device, can select different stir modes flexibly according to on-the-spot actual process parameter, thus reach preferable
Mixing effect, there is preferable application prospect.
Accompanying drawing explanation
Fig. 1 is multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetic mixing apparatus schematic diagram of the present utility model
Fig. 2 is the structural representation of inner arc magnetic stirrer L-EMS of the present utility model, and upper and lower two induction apparatuss are marked respectively
It is designated as L1 (6), L2 (7).And the structure of outer arc magnetic stirrer F-EMS is symmetrical with its minute surface, upper and lower two induction apparatuss are marked respectively
It is designated as F1 (8), F2 (9)
Fig. 3 is that coil uses concentratred winding form to be wound on the salient pole of iron core
Fig. 4 is that coil uses Gramer's winding configuration to be wound in the yoke between two salient poles of iron core
Fig. 5 is that coil uses Gramer's winding configuration to be wound on rectangle iron core
Fig. 6 is the wiring of single rotary mode of the present utility model, magnetic field and molten steel direction of motion schematic diagram
Fig. 7 is the wiring of of the present utility model pair of dish pattern, magnetic field and molten steel direction of motion schematic diagram
Fig. 8 is that electromagnetism of the present utility model adds the wiring of fast mode, magnetic field and molten steel direction of motion schematic diagram
Fig. 9 is the wiring of electromagnetic deceleration pattern of the present utility model, magnetic field and molten steel direction of motion schematic diagram
Figure 10 is the wiring of four dish deceleration modes of the present utility model, magnetic field and molten steel direction of motion schematic diagram
Figure 11 is that four dish of the present utility model add the wiring of fast mode, magnetic field and molten steel direction of motion schematic diagram
Figure 12 is the wiring of two district's rotary modes of the present utility model, magnetic field and molten steel direction of motion schematic diagram
Figure 13 is the wiring of electromagnetic braking pattern of the present utility model, magnetic field and molten steel direction of motion schematic diagram
Figure 14 is the schematic diagram of the single rotary mode electromagnetic deceleration pattern of this utility model combination.
Description of reference numerals: 1--inner arc magnetic stirrer (writing a Chinese character in simplified form L--EMS)；2--outer arc magnetic stirrer (writes a Chinese character in simplified form F--
EMS)；The 3--mouth of a river；4--molten steel；5--copper coin；6--inner arc upper end magnetic stirrer (L1)；7--inner arc lower end magnetic stirrer
(L2)；8--outer arc upper end magnetic stirrer (F1)；9--outer arc lower end magnetic stirrer (F2)；10--iron core；11--coil；
12--magnetic shield；13--magnetic field traffic direction；The 14--molten steel direction of motion；The electromagnetic induction one of 101--inner arc magnetic stirrer
District；Electromagnetic induction two district of 102--inner arc magnetic stirrer；Electromagnetic induction three district of 103--inner arc magnetic stirrer；104--
Electromagnetic induction four district of inner arc magnetic stirrer；Electromagnetic induction one district of 201--outer arc magnetic stirrer；202--outer arc electromagnetism
Electromagnetic induction two district of agitator；Electromagnetic induction three district of 203--outer arc magnetic stirrer；204--outer arc magnetic stirrer
Electromagnetic induction four district；
Detailed description of the invention
Fig. 1 is multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetic mixing apparatus schematic diagram of the present utility model, in being divided into
Arc magnetic stirrer (1) (writing a Chinese character in simplified form L EMS) and outer arc magnetic stirrer (2) (writing a Chinese character in simplified form F EMS), be separately positioned on crystallizer copper
Plate (5) interior outer arc.Molten steel (4) passes through in the middle of copper plate of crystallizer (5).
L EMS (1) and F EMS (2) is respectively provided with upper and lower two induction apparatuss, is respectively labeled as L1(6)、L2And F (7)1
(8)、F2(9)；L EMS (1) and F EMS (2) is respectively provided with four magnetic induction districts simultaneously, four magnetic induction of L EMS (1)
District is respectively labeled as (101), (102), (103), (104)；Four magnetic induction districts of F EMS (2) be respectively labeled as (201),
(202)、(203)、(204).Magnetic field amount size, direction and the size of current of magnetic induction district interior loop, the side in each magnetic induction district
All can independent regulation and change to the phase sequence of, three-phase electricity.By changing the Movement in Magnetic Field direction in each magnetic induction district, pole, magnetic field
Property, magnetic induction district interior loop sense of current and phase sequence can be combined into multiple MOLTEN STEEL FLOW pattern, the most only lift ratio more typically
8 bottom horizontal flow sheet patterns illustratively: monocycle stream rotary mode, double dish pattern, electromagnetism add fast mode, electromagnetic deceleration pattern,
Four dish deceleration modes, four dish add fast mode, two district's rotary modes, electromagnetic braking pattern, the combination die of above pattern combination of two
Formula.By upper end induction apparatus L1 (6), 8 kinds of patterns and lower end induction apparatus L2 (6), 8 kinds of pattern combination of two of F2 (9) of F1 (8),
64 kinds of patterns can be derived.
Fig. 3-Fig. 4 is the version of induction apparatus, and induction apparatus includes iron core (10) and coil (11)；According to core structure not
With, induction apparatus has two kinds of forms, i.e. rectangle and salient pole shape induction apparatus；The iron core (10) of rectangle induction apparatus is by multiple slotless
Rectangle electrical steel sheet build up；Coil (11) uses Gramer's winding configuration to be wound on rectangle iron core；Salient pole shape senses
The iron core (10) of device is built up by the rectangle electrical steel sheet of multiple band salient poles；Coil (11) structure includes two kinds of forms, i.e. adopts
It is wound in the yoke between two salient poles of iron core with Gramer's winding configuration, or uses concentratred winding form to be wound on the salient pole of iron core
On.Induction apparatus is additionally provided with " door font " Magnet clamp (12), and Magnet clamp (12) is by high conductivity (σ ＞ 5.8 × 107S/m)
Copper plate make, be respectively fitted on two inner arc magnetic stirrer L and two outer arc magnetic stirrer F；Magnet clamp (12)
Effect be improve work surface main flux and reduce non-working surface leakage field；
Fig. 6 is the wiring of monocycle stream rotary mode of the present utility model, electromagnetic field and molten steel direction of motion schematic diagram, monocycle
Movement in Magnetic Field direction, four induction areas (13) of the interior outer arc side magnetic stirrer of stream rotary mode are consistent, but inner arc side is electric
Magnetic stirrer L-EMS is in opposite direction with the Movement in Magnetic Field of outer arc side magnetic stirrer F-EMS.Due to the molten steel direction of motion (14) with
Movement in Magnetic Field direction (13) is consistent, it is possible to the molten steel in making crystallizer does single rotary motion, it is achieved single stir mode.
Multi-functional multi-mode EMS device monocycle stream rotary mode, the corresponding polarity of the magnetic field in interior outer arc side is contrary, i.e. inner arc side electricity
Drawing at existing N pole, the corresponding outer arc electricity place of stirring is S pole, makes the magnetic line of force penetrate molten steel, from N pole to S pole, it is thus possible to make electromagnetic force
Deeply to molten steel core.The monocycle stream rotary mode of multi-functional multi-mode EMS device, the mode of connection of this pattern is inside and outside
The sense of current in the one of arc magnetic stirrer, three magnetic induction districts and two, four magnetic induction districts contrary, and inner arc side and outer arc side phase
The sense of current of corresponding magnetic induction district wiring is contrary, and e.g., electromagnetic induction one district (101) He Sanqu (103) wiring of L-EMS is
U、V、W；2nd district (102) He Siqu (104) wiring is-U ,-V ,-W；And electromagnetic induction one district (201) He Sanqu of F-EMS
(203) wiring is-W ,-V ,-U；2nd district (202) He Siqu (204) wiring is W, V, U.
Fig. 7 is the wiring of of the present utility model pair of dish pattern, electromagnetic field and molten steel direction of motion schematic diagram, double dish patterns
Movement in Magnetic Field direction, four induction areas (13) of interior outer arc side magnetic stirrer are consistent, and inner arc side magnetic stirrer L-
EMS is identical with the Movement in Magnetic Field direction of outer arc side magnetic stirrer F-EMS.Due to the molten steel direction of motion (14) and Movement in Magnetic Field side
Consistent to (13), and the continuity of fluid molten steel motion, it is possible to make molten steel form upper and lower two circulation at crystallizer cross section.Should
Inside the pattern deep enough stirring molten steel of energy, it is achieved double dish stir modes of molten steel.Double dish patterns, the magnetic field that interior outer arc side is corresponding
Polarity is identical, i.e. inner arc side electricity draws at existing N pole, and the corresponding outer arc electricity place of stirring is N pole, makes the magnetic line of force not penetrate through molten steel, but
Stirring adjacent S pole from N pole to same electricity, electromagnetic stirring force only acts on to molten steel surface.
The mode of connection of double dish patterns is the sense of current and two, four in one, three magnetic induction districts of interior outer arc magnetic stirrer
Magnetic induction district contrary, and the sense of current of the inner arc side magnetic induction district wiring corresponding with outer arc side is identical, e.g., L-EMS's
Electromagnetic induction one district (101) He Sanqu (103) wiring is U, V, W；2nd district (102) He Siqu (104) wiring is-U ,-V ,-W；And
Electromagnetic induction one district (201) He Sanqu (203) wiring of F-EMS is W, V, U；2nd district (202) He Siqu (204) wiring be-W ,-
V、-U。
Fig. 8 is that electromagnetism of the present utility model adds the wiring of fast mode, electromagnetic field and molten steel direction of motion schematic diagram, accelerates mould
One, two districts of the interior outer arc side magnetic stirrer of formula are contrary with three, four Movement in Magnetic Field directions, district (13), inner arc side magnetic stirrer
The Movement in Magnetic Field direction in the magnetic field induction district that L-EMS is corresponding with outer arc side magnetic stirrer F-EMS is identical.As, inner side electromagnetism
Magnetic field induction one district (101) of stirring L-EMS and the Movement in Magnetic Field direction of (201), 2nd district (102) and (202) are towards a left side, and L-
Magnetic field induction three district (103) of EMS and (203), 4th district (104) and (204) Movement in Magnetic Field direction towards the right side, Movement in Magnetic Field direction
On the contrary.This pattern molten steel direction of motion (14) is consistent with molten steel (4) the stream stock direction of motion spued in the mouth of a river (3), thus plays
Accelerate the effect of molten steel motion, it is achieved accelerate stir mode.Add the polarity of the magnetic field that inside and outside fast mode, arc side is corresponding contrary, i.e. interior
Arc side electricity draws at existing N pole, and the corresponding outer arc electricity place of stirring is S pole, makes the magnetic line of force penetrate molten steel, from N pole to S pole, it is thus possible to make
Electromagnetic force is deeply to molten steel core.Add the line that the mode of connection of fast mode is magnetic induction one, two district of interior outer arc magnetic stirrer
In circle phase sequence, any biphase exchange is just for the coil phase sequence in magnetic induction four, three district, and this model inner arc side is corresponding with outer arc side
The sense of current of magnetic induction district winding wiring is contrary, and e.g., electromagnetic induction one district (101) of L-EMS, 2nd district (102) link up 6
The mode of connection of coil is: V, V, U, U, W, W, and Qi Sanqu (103), 4th district (104) are linked up the mode of connection of 6 coils and are:
W、W、U、U、V、V；Electromagnetic induction one district (201) of F-EMS, 2nd district (202) are :-V ,-V ,-U ,-U ,-W ,-W, 3rd district (203),
4th district (204) are :-W ,-W ,-U ,-U ,-V ,-V.
Fig. 9 is the wiring of electromagnetic deceleration pattern of the present utility model, electromagnetic field and molten steel direction of motion schematic diagram, this pattern
One, two districts of interior outer arc side magnetic stirrer contrary with three, four Movement in Magnetic Field directions, district (13), inner arc side magnetic stirrer L-
Movement in Magnetic Field direction, magnetic field induction district corresponding with outer arc side magnetic stirrer F-EMS for EMS is identical.As, interior outside electromagnetism stirs
Mix magnetic field induction one district (101) of L-EMS, F-EMS and (201), 2nd district (102) and (202) Movement in Magnetic Field direction towards the right side, and
Magnetic field induction three district (103) of L-EMS Yu F-EMS and (203), 4th district (104) and (204) Movement in Magnetic Field direction towards a left side, magnetic
The field direction of motion is contrary.This pattern molten steel direction of motion (14) and molten steel (4) the stream stock direction of motion phase of discharge in the mouth of a river (3)
Instead, the effect of deceleration molten steel motion is played, it is achieved deceleration stir mode.
The polarity of the magnetic field that in electromagnetic deceleration pattern, outer arc side is corresponding is contrary, i.e. inner arc side electricity draws at existing N pole, corresponding
The outer arc electricity place of stirring is S pole, makes the magnetic line of force penetrate molten steel, from N pole to S pole, it is thus possible to make electromagnetic force deeply to molten steel core.
The mode of connection of deceleration mode be magnetic induction one, two district of interior outer arc magnetic stirrer coil phase sequence in any two
Exchanging mutually just for the coil phase sequence in magnetic induction four, three district, this model inner arc side magnetic induction district coil corresponding with outer arc side connects
The sense of current of line is contrary, and e.g., electromagnetic induction one district (101) of L-EMS, 2nd district (102) link up the mode of connection of 6 coils
For U, U, V, V, W, W, Qi Sanqu (103), 4th district (104) are linked up the mode of connection of 6 coils and are: W, W, V, V, U, U；F-
Electromagnetic induction one district (201) of EMS, 2nd district (202) are :-U ,-U ,-V ,-V ,-W ,-W, and 3rd district (203), 4th district (204) are :-
W、-W、-V、-V、-U、-U。
Figure 10 is the wiring of four dish deceleration modes of the present utility model, electromagnetic field and molten steel direction of motion schematic diagram, this mould
One, two districts of the interior outer arc side magnetic stirrer of formula are contrary with three, four Movement in Magnetic Field directions, district (13), inner arc side magnetic stirrer
Movement in Magnetic Field direction, magnetic field induction district corresponding with outer arc side magnetic stirrer F-EMS for L-EMS is identical.Interior outside electromagnetic agitation
The Movement in Magnetic Field direction of magnetic field induction one district (101) of L-EMS, F-EMS and (201), 2nd district (102) and (202) is towards the right side, and L-
Magnetic field induction three district (103) of EMS Yu F-EMS and (203), 4th district (104) and (204) Movement in Magnetic Field direction towards a left side, magnetic field
The direction of motion is contrary.This pattern molten steel direction of motion (14) is contrary with molten steel (4) the stream stock direction of motion spued in the mouth of a river (3),
Play the effect of deceleration molten steel motion, it is achieved the pattern stirred of holding concurrently of slowing down.The magnetic field that in four dish deceleration modes, outer arc side is corresponding
Polarity is identical, i.e. inner arc side electricity draws at existing N pole, and the corresponding outer arc electricity place of stirring is N pole, makes the magnetic line of force not penetrate through molten steel, but
Stirring adjacent S pole from N pole to same electricity, due to the continuity of molten steel motion, molten steel movement locus forms the circulating-area of four.
The mode of connection of four dish deceleration modes is that the sense of current in one, two magnetic induction districts of interior outer arc magnetic stirrer is contrary, any two
Mutually it is changed to the coil phase sequence in magnetic induction four, three district, and the mode phase of the inner arc side magnetic induction district wiring corresponding with outer arc side
With, e.g., electromagnetic induction one district (101) of L-EMS and electromagnetic induction one district (201) wiring of F-EMS are U, V, W, Qi Erqu
And (202) wiring is-U ,-V ,-W (102)；Interior outer arc magnetic stirrer one district winding wiring mode is arbitrarily exchanged biphase phase
Sequence, is 4th district (104), mode of connection W of (204), V, U, interior outer arc magnetic stirrer three district (103), (203) winding wiring
Electric current and the contrary of 4th district are-W ,-V ,-U；
Figure 11 is that four dish of the present utility model add the wiring of fast mode, electromagnetic field and molten steel direction of motion schematic diagram, this mould
One, two districts of the interior outer arc side magnetic stirrer of formula are contrary with three, four Movement in Magnetic Field directions, district (13), inner arc side magnetic stirrer
Movement in Magnetic Field direction, magnetic field induction district corresponding with outer arc side magnetic stirrer F-EMS for L-EMS is identical.Interior outside electromagnetic agitation
The Movement in Magnetic Field direction of magnetic field induction one district (101) of L-EMS, F-EMS and (201), 2nd district (102) and (202) is towards a left side, and L-
Magnetic field induction three district (103) of EMS Yu F-EMS and (203), 4th district (104) and (204) Movement in Magnetic Field direction towards the right side, magnetic field
The direction of motion is contrary.This pattern molten steel direction of motion (14) is identical with molten steel (4) the stream stock direction of motion spued in the mouth of a river (3),
Play the effect accelerating molten steel motion, it is achieved accelerate the pattern stirred of holding concurrently.Four dish add the magnetic field that inside and outside fast mode, arc side is corresponding
Polarity is identical, i.e. inner arc side electricity draws at existing N pole, and the corresponding outer arc electricity place of stirring is N pole, makes the magnetic line of force not penetrate through molten steel, but
Stirring adjacent S pole from N pole to same electricity, due to the continuity of molten steel motion, molten steel movement locus forms the circulating-area of four.
Four dish add the mode of connection of fast mode be interior outer arc magnetic stirrer a district any biphase exchange and conversion the sense of current be
The wiring of two district's electromagnetic induction, any biphase wiring being changed to four district's coils mutually in a district, 3rd district are contrary with the sense of current in 4th district.
As, electromagnetic induction one district (101) of L-EMS, (201) wiring are U, W, V；4th district (104), the mode of connection of (204) be: V, W,
U, 2nd district (102), the sense of current of (202) coil and a district (101), (201) contrary, its mode of connection is :-U ,-W ,-V；
3rd district (103), the sense of current of (203) coil and 4th district contrary, its mode of connection is :-V ,-W ,-U；
Figure 12 is the wiring of two district's rotary modes of the present utility model, electromagnetic field and molten steel direction of motion schematic diagram, this mould
One, two districts of the interior outer arc side magnetic stirrer of formula are contrary with three, four Movement in Magnetic Field directions, district (13), inner arc side magnetic stirrer
Magnetic field induction district Movement in Magnetic Field corresponding with outer arc side magnetic stirrer F-EMS for L-EMS is in opposite direction.As, interior outside electromagnetism
Magnetic field induction three, four district (203) of stirring the one of L-EMS, 2nd district (101), (102) and F-EMS and the Movement in Magnetic Field side of (204)
To towards a left side, and three, four districts (103) of interior outside electromagnetic agitation L-EMS, the magnetic field induction one, two district (201) of (104) and F-EMS
With the Movement in Magnetic Field direction of (202) towards the right side.The polarity of the magnetic field that in two district's rotary modes, outer arc side is corresponding is contrary, i.e. inner arc side electricity
Drawing at existing N pole, the corresponding outer arc electricity place of stirring is S pole, makes the magnetic line of force penetrate molten steel, from N pole to S pole, it is thus possible to make electromagnetic force
Deeply to molten steel core.The mode of connection of two district's rotary modes is the electric current side in the one of inner arc magnetic stirrer, two magnetic induction districts
To on the contrary, any biphase wiring being changed to its 4th district mutually of district's coil, the sense of current of three district's coils and 4th district contrary.And
4th district of outer arc side magnetic stirrer F-EMS are identical with the mode of connection in L-EMS mono-district, a district of F-EMS and L-EMS tetra-district
The mode of connection is identical, and 2nd district of F-EMS are identical with the mode of connection in L-EMS tri-district, 3rd district of F-EMS and connecing of L-EMS bis-district
Line mode is identical.As, 4th district of F-EMS with the mode of connection in L-EMS mono-district are: U, W, V；One district of F-EMS and L-EMS tetra-district
The mode of connection be: V, W, U；2nd district of F-EMS with the mode of connection in L-EMS tri-district are :-U ,-W ,-V；
Figure 13 is the wiring of electromagnetic braking pattern of the present utility model, electromagnetic field and molten steel direction of motion schematic diagram, this mould
One, two districts of the interior outer arc side magnetic stirrer of formula are contrary with three, four Movement in Magnetic Field directions, district (13), inner arc side magnetic stirrer
Magnetic field induction district Movement in Magnetic Field corresponding with outer arc side magnetic stirrer F-EMS for L-EMS is in opposite direction.As, interior outside electromagnetism
Magnetic field induction three, four district (203) of stirring the one of L-EMS, 2nd district (101), (102) and F-EMS and the Movement in Magnetic Field side of (204)
To a super left side, and the magnetic field induction one, two district (201) of three, four districts (103) of interior outside electromagnetic agitation L-EMS, (104) and F-EMS
Super right with the Movement in Magnetic Field direction of (202).The polarity of the magnetic field that in electromagnetic braking pattern, outer arc side is corresponding is contrary, i.e. inner arc side electricity
Drawing at existing N pole, the corresponding outer arc electricity place of stirring is S pole, makes the magnetic line of force penetrate molten steel, from N pole to S pole, it is thus possible to make electromagnetic force
Deeply to molten steel core.Electromagnetic braking pattern uses DC current, the exchange that will be inputted by the rectification circuit in automatically controlled
Electric rectification is that unidirectional current realizes.Its wiring is as follows: electromagnetic induction one district (101) of L-EMS, 2nd district (102), 3rd district (103), four
District (104) wiring connects forward current；Electromagnetic induction one district (201) of F-EMS, 2nd district (202), 3rd district (203), 4th district (204)
Wiring connects reverse current.
Figure 14 is the schematic diagram of the monocycle stream rotary mode electromagnetic deceleration pattern of this utility model combination, is to pass through upper end
A pair induction apparatus L1 (6) and F1 (8) use monocycle stream rotary mode, a pair, lower end induction apparatus L2 (6) and the use of F2 (9)
Electromagnetic deceleration pattern, the schematic diagram of combination monocycle stream rotary mode electromagnetic deceleration pattern out.
Techniques as described above scheme is equally applicable to sheet billet continuous casting two chill space electromagnetic stirring, falls within the protection of this patent
Scope.
Above-described embodiment is only the description carrying out preferred implementation of the present utility model, not to this utility model
Spirit and scope are defined, on the premise of without departing from this utility model design philosophy, and engineers and technicians couple in this area
Various modification that the technical solution of the utility model is made and improvement, all should fall into protection domain of the present utility model, this practicality
The novel technology contents being claimed, all records in detail in the claims.
Claims (10)
1. a multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device, it is characterised in that include inner arc electromagnetic agitation
Device (1) and outer arc magnetic stirrer (2), be abbreviated as L EMS (1) and F EMS (2) respectively；L EMS (1) and F EMS (2)
It is separately positioned on copper plate of crystallizer (5) inner arc and outer arc；Molten steel (4) passes through in the middle of copper plate of crystallizer (5)；Position, the mouth of a river is corresponding
In L EMS (1) and the middle of F EMS (2)；
L EMS (1) and F EMS (2) is provided with upper and lower two induction apparatuss, and the top and bottom induction apparatus of L EMS (1) divides
It is not labeled as L1(6)、L2(7), the top and bottom induction apparatus of F EMS (2) is respectively labeled as F1(8)、F2(9)；L simultaneously
Each induction apparatus of EMS (1) and F EMS (2) is provided with four magnetic induction districts；Each magnetic induction district is individually controlled by PLC
System, PLC is by being connected with the coil in this magnetic induction district, it is achieved to the size of coil current, direction, the control of phase sequence, with
Change Movement in Magnetic Field direction (13) and polarity of the magnetic field, thus change the molten steel direction of motion (14)；By changing each magnetic induction district
Movement in Magnetic Field direction and polarity of the magnetic field, be combined into multiple MOLTEN STEEL FLOW pattern；
Upper end induction apparatus L1And F (6)1(8) iron core upper limb maintains an equal level with meniscus.
Multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device the most according to claim 1, it is characterised in that every
Individual induction apparatus includes 12 coils, and by exciting travelling-magnetic-field rule to build four magnetic induction districts, each magnetic induction district includes 3 lines
Circle；
For a pair induction apparatus of L-EMS and F-EMS, four magnetic induction districts of L-EMS (1) are designated as magnetic strength the most successively
Ying Yiqu (101), magnetic induction two district (102), magnetic induction three district (103) and magnetic induction four district (104), the magnetic induction of F-EMS (2)
Magnetic induction district of four, district is designated as magnetic induction one district (201), magnetic induction two district (202), magnetic induction three district the most successively
(203), magnetic induction four district (204)；
Described MOLTEN STEEL FLOW pattern includes single rotary mode；
Under single rotary mode, L-EMS with F-EMS is: four magnetic induction districts Movement in Magnetic Field direction (13) are consistent；But L-EMS
In opposite direction with the Movement in Magnetic Field of F-EMS；
Described single rotary mode, L-EMS with F-EMS is contrary relative to the polarity of the magnetic field of position, i.e. L-EMS occurs at N pole, corresponding
F-EMS position be S pole；
The winding wiring mode of described single rotary mode is: L-EMS and F-EMS is: the coil current in magnetic induction one, three district
Direction is contrary with the direction of the winding current in magnetic induction two, four district；And the magnetic induction district coil current that L-EMS with F-EMS is corresponding
In opposite direction.
Multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device the most according to claim 2, it is characterised in that institute
State MOLTEN STEEL FLOW pattern and also include double dish pattern；
Under described pair of dish pattern, L-EMS with F-EMS is: Movement in Magnetic Field direction, four induction areas (13) are consistent, and L-
The Movement in Magnetic Field direction of EMS with F-EMS is identical；
Described pair of dish pattern, L-EMS with F-EMS is identical relative to the polarity of the magnetic field of position, i.e. L-EMS occurs at N pole, corresponding F-
EMS position is N pole；
The winding wiring mode of described pair of dish pattern is: L-EMS and F-EMS is: the direction of the winding current in magnetic induction one, three district
Contrary with the direction of the winding current in magnetic induction two, four district, and the magnetic induction district the direction of the winding current that L-EMS with F-EMS is corresponding
Identical.
Multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device the most according to claim 3, it is characterised in that institute
State MOLTEN STEEL FLOW pattern and also include that electromagnetism adds fast mode；
Described electromagnetism adds under fast mode, L-EMS and F-EMS is: magnetic induction one, two district and magnetic induction three, four district's Movement in Magnetic Field
Direction (13) is contrary；And L-EMS with F-EMS is identical relative to the Movement in Magnetic Field direction in the magnetic induction district of position；L-EMS and F-EMS
Magnetic induction one district (101) and (201), 2nd district (102) and (202) Movement in Magnetic Field direction towards a left side, and L-EMS and F-EMS
The Movement in Magnetic Field direction of magnetic induction three district (103) and (203), 4th district (104) and (204) is towards the right side；
Described electromagnetism adds fast mode, L-EMS with F-EMS is contrary relative to the polarity of the magnetic field of position, i.e. L-EMS occurs at N pole, corresponding
F-EMS position be S pole；
Described electromagnetism adds the winding wiring mode of fast mode: L-EMS and F-EMS is: the coil phase sequence in magnetic induction one, two district
In any biphase exchange just for the coil phase sequence in magnetic induction four, three district, this pattern L-EMS and F-EMS are relative to the magnetic induction of position
District's the direction of the winding current is contrary.
Multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device the most according to claim 4, it is characterised in that institute
State MOLTEN STEEL FLOW pattern and also include electromagnetic deceleration pattern；
Under described electromagnetic deceleration pattern, L-EMS and F-EMS is: magnetic induction one, two district and magnetic induction three, four district's Movement in Magnetic Field
Direction (13) is contrary, and L-EMS with F-EMS is identical relative to the Movement in Magnetic Field direction in the magnetic field induction district of position；L-EMS and F-
The Movement in Magnetic Field direction of magnetic induction one district (101) of EMS and (201), 2nd district (102) and (202) is towards the right side, and L-EMS and F-EMS
Magnetic induction three district (103) and (203), 4th district (104) and (204) Movement in Magnetic Field direction towards a left side；
Described electromagnetic deceleration pattern, L-EMS with F-EMS is contrary relative to the polarity of the magnetic field of position, i.e. L-EMS occurs at N pole, corresponding
F-EMS position be S pole；
The winding wiring mode of described electromagnetic deceleration pattern is: L-EMS and F-EMS is: the coil phase sequence in magnetic induction one, two district
In any biphase exchange just for the coil phase sequence in magnetic induction four, three district, L-EMS with F-EMS is relative to the magnetic induction district coil of position
The sense of current of wiring is contrary.
Multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device the most according to claim 5, it is characterised in that institute
State MOLTEN STEEL FLOW pattern and also include four dish deceleration modes；
Under described four dish deceleration modes, L-EMS and F-EMS is: magnetic induction one, two district and magnetic induction three, four district's Movement in Magnetic Field
Direction (13) is contrary, L-EMS with F-EMS is identical relative to the Movement in Magnetic Field direction, magnetic field induction district of position；L-EMS's and F-EMS
Magnetic field induction one district (101) and (201), 2nd district (102) and (202) Movement in Magnetic Field direction towards the right side, and L-EMS Yu F-EMS
The Movement in Magnetic Field direction of magnetic field induction three district (103) and (203), 4th district (104) and (204) is towards a left side；
Described four dish deceleration modes, L-EMS with F-EMS is identical relative to the polarity of the magnetic field of position, i.e. L-EMS occurs at N pole, corresponding
F-EMS position be N pole；
The winding wiring mode of described four dish deceleration modes is: L-EMS and F-EMS is: magnetic induction one district and the electric current in 2nd district
In opposite direction, any biphase coil phase sequence being changed to magnetic induction four, three district mutually, and L-EMS with F-EMS is relative to the magnetic induction of position
The mode of district's winding wiring is identical.
Multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device the most according to claim 6, it is characterised in that institute
State MOLTEN STEEL FLOW pattern and also include that four dish add fast mode；
Described four dish add under fast mode, L-EMS and F-EMS is: magnetic induction one, two district and three, four Movement in Magnetic Field directions, district
(13) contrary, and L-EMS with F-EMS is identical relative to the Movement in Magnetic Field direction, magnetic field induction district of position；The magnetic of L-EMS and F-EMS
Sense a district (101) and (201), 2nd district (102) and (202) Movement in Magnetic Field direction towards a left side, and the magnetic strength of L-EMS Yu F-EMS
The Movement in Magnetic Field direction of Ying Sanqu (103) and (203), 4th district (104) and (204) is towards the right side；
Described four dish add fast mode, L-EMS with F-EMS is identical relative to the polarity of the magnetic field of position, i.e. L-EMS occurs at N pole, corresponding
F-EMS position be N pole；
Described four dish add the winding wiring mode of fast mode: L-EMS and F-EMS is: magnetic induction one district any two mutual
Change and convert the wiring that the sense of current is magnetic induction two district coil, any biphase wiring being changed to four district's coils mutually in a district, 3rd district
Contrary with the sense of current in 4th district.
Multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device the most according to claim 7, it is characterised in that institute
State MOLTEN STEEL FLOW pattern and also include two district's rotary modes；
Under described two district's rotary modes, L-EMS and F-EMS is: one, 2nd district are contrary with three, four Movement in Magnetic Field directions, district (13),
L-EMS with F-EMS is in opposite direction relative to the magnetic induction district Movement in Magnetic Field of position；
Described two district's rotary modes, L-EMS with F-EMS is contrary relative to the polarity of the magnetic field of position, i.e. L-EMS occurs at N pole, corresponding
F-EMS position be S pole；
The winding wiring mode of described two district's rotary modes is that the sense of current in magnetic induction one, two district of L-EMS is contrary, district's line
Any biphase wiring being changed to its 4th district mutually of circle, the sense of current of three district's coils and 4th district contrary；And 4th district of F-EMS with
The winding wiring mode in L-EMS mono-district is identical, and a district of F-EMS is identical with the winding wiring mode in L-EMS tetra-district, F-EMS's
2nd district are identical with the winding wiring mode in L-EMS tri-district, and 3rd district of F-EMS are identical with the winding wiring mode in L-EMS bis-district.
Multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device the most according to claim 8, it is characterised in that institute
State MOLTEN STEEL FLOW pattern and also include electromagnetic braking pattern；
Under described electromagnetic braking pattern, L-EMS and F-EMS is: magnetic induction one, two district and magnetic induction three, four district's Movement in Magnetic Field
Direction (13) is contrary, L-EMS with F-EMS is in opposite direction relative to the magnetic field induction district Movement in Magnetic Field of position；
Described electromagnetic braking pattern, L-EMS with F-EMS is contrary relative to the polarity of the magnetic field of position, i.e. L-EMS occurs at N pole, corresponding
F-EMS position be S pole；
Described electromagnetic braking pattern uses DC current to power, and its winding wiring mode is as follows: magnetic induction one district of L-EMS
(101), 2nd district (102), 3rd district (103), 4th district (104) coil connect forward current；Magnetic induction one district (201) of F-EMS, 2nd district
(202), 3rd district (203), 4th district (204) coil connect reverse current.
Multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device the most according to claim 9, it is characterised in that
Described MOLTEN STEEL FLOW pattern also includes integrated mode；
Described integrated mode is by upper end induction apparatus L1And F (6)1(8) above-mentioned 8 kinds of patterns of composition and lower end induction apparatus
L2And F (6)2(9) any two kinds of combinations in above-mentioned 8 kinds of patterns of composition, it may be assumed that by single rotary mode, double dish pattern, electromagnetism
Add fast mode, electromagnetic deceleration pattern, four dish deceleration modes, four dish add fast mode, two district's rotary modes and electromagnetic braking pattern two
Two are applied in combination, and obtainThe pattern of kind.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109604551A (en) * | 2019-01-14 | 2019-04-12 | 辽宁石油化工大学 | A kind of individually adjusted combination electro-magnetic braking device and method controlling molten steel flow |
| CN112105469A (en) * | 2018-07-17 | 2020-12-18 | 日本制铁株式会社 | Mold apparatus and continuous casting method |
| EP4249146A1 (en) | 2022-03-21 | 2023-09-27 | Primetals Technologies Austria GmbH | Electromagnetic stirring and braking device for a mould for producing metal slabs |
-
2016
- 2016-07-05 CN CN201620699034.9U patent/CN205816758U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112105469A (en) * | 2018-07-17 | 2020-12-18 | 日本制铁株式会社 | Mold apparatus and continuous casting method |
| CN112105469B (en) * | 2018-07-17 | 2022-04-15 | 日本制铁株式会社 | Mold apparatus and continuous casting method |
| CN109604551A (en) * | 2019-01-14 | 2019-04-12 | 辽宁石油化工大学 | A kind of individually adjusted combination electro-magnetic braking device and method controlling molten steel flow |
| EP4249146A1 (en) | 2022-03-21 | 2023-09-27 | Primetals Technologies Austria GmbH | Electromagnetic stirring and braking device for a mould for producing metal slabs |
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